surshar / claude-code

Claude Code is an agentic coding tool that lives in your terminal, understands your codebase, and helps you code faster by executing routine tasks, explaining complex code, and handling git workflows - all through natural language commands.

Built by Anthropic · github.com/anthropics

mods/diff: the pane-shown row is the built-in panel's own, once per session id, and an ask marks diff_selection_attachBrowse files

poteat authored on Sep 11, 2026 parent 9f306ce · commit f6cd2ca471f1

6 changed files+26 -15compared with 9f306ce

Mmods/diff/hooks/host/host.ts

Mmods/diff/hooks/record/features/features.ts

Mmods/diff/hooks/record/recorder/recorder.ts

Mmods/diff/hooks/record/recorder-of.ts

Mmods/diff/hooks/record/width-buckets/width-buckets.ts

Mmods/diff/hooks/register.ts

Mmods/diff/hooks/host/host.ts+5 -0

		@@ -105,6 +105,11 @@
105	105	registerCommand: (spec: CommandSpec) => Promise<unknown>
106	106
107	107	/**
	108	+ * `$.session.id`: the session the pane-shown row is latched to.
	109	+ */
	110	+ sessionId: () => Promise<string>
	111	+
	112	+ /**
108	113	* `$.telemetry.mark`; rejects where the telemetry built-in is absent.
109	114	*/
110	115	mark: EngineInterface['telemetry']['mark']

Mmods/diff/hooks/record/features/features.ts+2 -1

		@@ -3,11 +3,12 @@
3	3	* feature surface keeps one series across the swap.
4	4	*
5	5	* `read` per fetch round, `tabSwitch` per open or close, `baseSwitch` per
6		- * base pick, `baseResolve` once a session.
	6	+ * base pick, `baseResolve` once a session, `selectionAttach` per diff asked.
7	7	*/
8	8	export const FEATURES = {
9	9	read: 'repl_diff_read',
10	10	tabSwitch: 'repl_tab_switch',
11	11	baseSwitch: 'repl_diff_base_switch',
12	12	baseResolve: 'diff_base_resolve',
	13	+ selectionAttach: 'diff_selection_attach',
13	14	} as const

Mmods/diff/hooks/record/recorder/recorder.ts+4 -3

		@@ -13,7 +13,7 @@
13	13	mark: (feature: string, outcome: MarkOutcome) => void
14	14
15	15	/**
16		- * `tengu_plugin_diff_pane_shown`, once a session.
	16	+ * The built-in panel's `tengu_repl_diff_panel_shown` row, once a session.
17	17	*/
18	18	shown: (
19	19	trigger: (typeof SHOWN_TRIGGERS)[number],
		@@ -21,7 +21,8 @@
21	21	) => void
22	22
23	23	/**
24		- * `tengu_plugin_diff_ask_attach`: a file's diff rode the next prompt.
	24	+ * The built-in's `diff_selection_attach` feature mark: a file's diff rode
	25	+ * the next prompt.
25	26	*/
26		- asked: (lines: number) => void
	27	+ asked: () => void
27	28	}

Mmods/diff/hooks/record/recorder-of.ts+7 -5

		@@ -1,4 +1,5 @@
1	1	import type { Host } from '../host'
	2	+import { FEATURES } from './features'
2	3	import type { Recorder } from './recorder'
3	4	import { safely } from './safely'
4	5	import { SHOWN_TRIGGERS } from './shown-triggers'
		@@ -6,7 +7,8 @@
6	7
7	8	/**
8	9	* The plugin's Recorder over the host: each row goes through the telemetry
9		- * built-in's `$.telemetry`; a missing noun or a refused row is dropped.
	10	+ * built-in's `$.telemetry`, named and shaped as the built-in panel's own;
	11	+ * a missing noun or a refused row is dropped.
10	12	*
11	13	* @param host the engine as session.start bound it
12	14	* @returns the recorder
		@@ -16,13 +18,13 @@
16	18	shown: (trigger, bucket) =>
17	19	safely(() =>
18	20	host.log({
19		- event: 'diff_pane_shown',
	21	+ event: 'tengu_repl_diff_panel_shown',
20	22	props: {
21	23	trigger: { value: trigger, of: SHOWN_TRIGGERS },
22		- width_bucket: { value: bucket, of: WIDTH_BUCKETS },
	24	+ terminal_width_bucket: { value: bucket, of: WIDTH_BUCKETS },
23	25	},
24	26	}),
25	27	),
26		- asked: lines =>
27		- safely(() => host.log({ event: 'diff_ask_attach', props: { lines } })),
	28	+ asked: () =>
	29	+ safely(() => host.mark({ feature: FEATURES.selectionAttach, kind: 'ok' })),
28	30	})

Mmods/diff/hooks/record/width-buckets/width-buckets.ts+2 -2

		@@ -1,6 +1,6 @@
1	1	/**
2		- * The terminal-width buckets `diff_pane_shown` reports, the built-in's
3		- * `tengu_repl_diff_panel_shown` buckets.
	2	+ * The terminal-width buckets the pane-shown row reports, the built-in
	3	+ * panel's own.
4	4	*/
5	5	export const WIDTH_BUCKETS = [
6	6	'under_110',

Mmods/diff/hooks/register.ts+6 -4

		@@ -37,7 +37,7 @@
37	37	let isPaneOpen = false
38	38	let hasAutoOpened = false
39	39	let columns: number \| null = null
40		- let hasShownOnce = false
	40	+ let shownSessionId: string \| null = null
41	41	let wasDrawnSinceProbe = false
42	42	let armed: Ask.ArmedAsk \| null = null
43	43	let carrying: Ask.ArmedAsk \| null = null
		@@ -288,9 +288,10 @@
288	288	isPaneOpen = true
289	289	const record = Record.recorderOf(engine)
290	290	record.mark(Record.FEATURES.tabSwitch, { kind: 'ok' })
	291	+ const sessionId = await engine.sessionId().catch(() => null)
291	292
292		- if (!hasShownOnce) {
293		- hasShownOnce = true
	293	+ if (sessionId !== null && sessionId !== shownSessionId) {
	294	+ shownSessionId = sessionId
294	295	record.shown(trigger, Record.widthBucketOf(columns))
295	296	}
296	297
		@@ -464,6 +465,7 @@
464	465	openPane: pane => $.ui.open(pane),
465	466	closePane: pane => $.ui.close(pane),
466	467	registerCommand: spec => $.command.register(spec),
	468	+ sessionId: () => $.session.id(),
467	469	mark: entry => $.telemetry.mark(entry),
468	470	log: entry => $.telemetry.log(entry),
469	471	})
		@@ -621,7 +623,7 @@
621	623	const result = await next({ ...e, context: [...context, text] })
622	624
623	625	if (result.drop === undefined) {
624		- Record.recorderOf(host).asked(asked.lines)
	626	+ Record.recorderOf(host).asked()
625	627
626	628	if (armed === asked) {
627	629	disarm(host)